Originated from the MellowFlyRRFE3 holder for the Cetus3D MK2.

I remixed it, so it also has space for a Raspberry Pi Zero 2 W to use with Klipper.

Only tested the fitment with an SKR E3 V1.1 DIP and V3.0.

Original repo: https://github.com/CNCKitchen/CetusMK3_RRF
Original blogpost: https://www.cnckitchen.com/blog/cetus-mk3-to-mellow-fly-rrf-e3-conversion

Original video: